The book "Foundations of Management Information Systems" (MIS 101) serves as an introductory guide for students studying Management Information Systems (MIS). It is divided into two sections with a total of fifteen chapters. Section One, "Building Blocks of Management," provides a thorough understanding of MIS's core elements, functions, and values that contribute to organizational success. Chapters define MIS, elucidate management roles, explore information systems' components, and discuss the transition to flattened structures and flexible work arrangements. Section Two, "General Principles of MIS," delves into MIS's applications, evolution, and contemporary concepts. Chapters cover MIS's role in decision-making, the impact of end-user computing, the multidisciplinary nature of modern MIS, and a historical overview of MIS evolution. The book's comprehensive exploration equips students to navigate the intricate world of MIS and its integral role in today's organizations.